./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:09,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:09,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:28:09,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:09,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:09,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:09,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:10,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:10,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:10,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:10,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:10,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:10,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:10,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:10,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:10,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:10,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:10,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:10,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:10,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:10,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:10,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:10,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:10,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:10,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:10,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:10,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:10,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:10,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:10,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:10,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2023-11-19 03:28:10,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:10,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:10,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:10,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:10,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:10,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2023-11-19 03:28:13,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:14,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:14,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2023-11-19 03:28:14,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/data/54e856ac0/4c3e1fbddc9c401f9bb01814fe06d733/FLAGb6fa14b1e [2023-11-19 03:28:14,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/data/54e856ac0/4c3e1fbddc9c401f9bb01814fe06d733 [2023-11-19 03:28:14,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:14,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:14,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:14,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:14,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:14,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:14" (1/1) ... [2023-11-19 03:28:14,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b3ce54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:14, skipping insertion in model container [2023-11-19 03:28:14,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:14" (1/1) ... [2023-11-19 03:28:14,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:15,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2023-11-19 03:28:15,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:15,986 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:16,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2776-2777] [2023-11-19 03:28:16,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2811] [2023-11-19 03:28:16,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2814] [2023-11-19 03:28:16,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2817] [2023-11-19 03:28:16,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2820] [2023-11-19 03:28:16,117 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2023-11-19 03:28:16,176 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3893] [2023-11-19 03:28:16,186 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3915] [2023-11-19 03:28:16,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:16,589 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:28:16,589 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:28:16,589 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:28:16,597 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:16,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16 WrapperNode [2023-11-19 03:28:16,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:16,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:16,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:16,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:16,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,892 INFO L138 Inliner]: procedures = 203, calls = 1322, calls flagged for inlining = 90, calls inlined = 90, statements flattened = 3777 [2023-11-19 03:28:16,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:16,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:16,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:16,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:16,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:17,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:17,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:17,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:17,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:17,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:17,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:17,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6f9ac2a-9ef2-4276-8125-6ba29f3a495d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-11-19 03:28:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-11-19 03:28:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-19 03:28:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-19 03:28:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:28:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:28:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 03:28:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 03:28:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-11-19 03:28:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-11-19 03:28:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-11-19 03:28:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-11-19 03:28:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-11-19 03:28:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-11-19 03:28:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 03:28:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 03:28:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 03:28:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 03:28:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-11-19 03:28:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-11-19 03:28:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-11-19 03:28:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-11-19 03:28:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 03:28:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 03:28:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-11-19 03:28:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-11-19 03:28:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 03:28:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 03:28:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 03:28:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 03:28:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-11-19 03:28:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-11-19 03:28:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:28:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:28:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 03:28:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 03:28:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-11-19 03:28:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-11-19 03:28:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-11-19 03:28:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-11-19 03:28:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 03:28:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 03:28:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:28:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-11-19 03:28:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-11-19 03:28:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-11-19 03:28:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-11-19 03:28:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 03:28:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 03:28:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 03:28:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 03:28:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 03:28:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 03:28:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 03:28:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 03:28:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:28:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-19 03:28:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-19 03:28:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 03:28:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 03:28:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 03:28:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 03:28:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 03:28:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 03:28:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 03:28:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 03:28:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 03:28:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 03:28:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 03:28:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 03:28:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 03:28:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 03:28:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-11-19 03:28:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-11-19 03:28:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 03:28:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 03:28:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 03:28:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 03:28:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:28:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 03:28:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 03:28:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 03:28:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 03:28:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 03:28:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 03:28:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 03:28:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 03:28:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:28:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-11-19 03:28:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-11-19 03:28:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 03:28:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 03:28:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-11-19 03:28:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-11-19 03:28:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-19 03:28:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-19 03:28:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-11-19 03:28:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-11-19 03:28:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-11-19 03:28:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-11-19 03:28:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-11-19 03:28:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-11-19 03:28:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 03:28:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 03:28:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2023-11-19 03:28:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2023-11-19 03:28:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:28:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 03:28:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-11-19 03:28:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-11-19 03:28:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-19 03:28:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-11-19 03:28:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-11-19 03:28:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 03:28:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 03:28:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:28:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 03:28:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-11-19 03:28:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-11-19 03:28:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-11-19 03:28:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-11-19 03:28:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-19 03:28:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-19 03:28:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 03:28:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 03:28:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 03:28:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 03:28:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-11-19 03:28:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-11-19 03:28:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-19 03:28:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-19 03:28:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 03:28:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 03:28:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-11-19 03:28:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-11-19 03:28:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-11-19 03:28:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-11-19 03:28:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 03:28:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 03:28:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-11-19 03:28:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-11-19 03:28:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 03:28:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 03:28:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-11-19 03:28:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-11-19 03:28:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 03:28:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 03:28:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 03:28:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 03:28:18,085 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:18,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:18,487 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 03:28:47,076 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:48,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:48,777 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:48,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:48 BoogieIcfgContainer [2023-11-19 03:28:48,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:48,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:48,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:48,810 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:48,810 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:48" (1/1) ... [2023-11-19 03:28:48,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1094 states and 1627 transitions. [2023-11-19 03:28:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1627 transitions. [2023-11-19 03:28:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:28:48,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:29:01,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:29:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1099 states and 1652 transitions. [2023-11-19 03:29:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1652 transitions. [2023-11-19 03:29:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:29:01,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.